To provide a vessel propulsion machine including a composition for easily and accurately predicting exchange period for a corrosion preventing anode (anode metal).SOLUTION: A vessel propulsion machine includes metal components 15, 16 coming into contact with water and a corrosion preventing anode 41 composed of baser metal material than the metal components 15, 16, conducting with the metal components 15, 16, and arranged so as to come into contact with the water that the metal components 15, 16 come into contact with. The vessel propulsion machine additionally includes: a standard electrode 53 insulated from all of the metal components 15, 16 and the corrosion preventing anode 41 and arranged to come into contact with the water coming into contact with the metal components 15, 16; and a microcomputer 80 as a potentiometer for acquiring the potential difference of the metal components 15, 16 for the reference electrode 53 or the corrosion preventing anode 41.SELECTED DRAWING: Figure 4

    【課題】防食用アノード(アノードメタル)の交換時期を容易にかつ正確に予測することができる構成を備えた船舶推進機を提供する。【解決手段】船舶推進機は、水に接する金属部品15,16と、金属部品15,16よりも卑な金属材料からなり、金属部品15,16と導通し、かつ金属部品15,16が接する水に接するように配置された防食用アノード41とを含む。船舶推進機は、さらに、金属部品15,16および防食用アノード41のいずれからも絶縁され、かつ金属部品15,16が接する水に接するように配置された基準電極53と、基準電極53に対する金属部品15,16または前記防食用アノード41の電位差を取得する電位差計としてのマイクロコンピュータ80と、を含む。【選択図】図4


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    Titel :

    VESSEL PROPULSION MACHINE


    Weitere Titelangaben:

    船舶推進機


    Beteiligte:

    Erscheinungsdatum :

    08.04.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / C23F Nichtmechanisches Entfernen metallischer Stoffe von Oberflächen , NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES



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